Home / 10,391.68-15,588.96-3,466.72

Finding the Fourth Proportional to 10,391.68, 15,588.96 and 3,466.72

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Solution

The fourth proportional to 10,391.68, 15,588.96 and 3,466.72 is: 5,200.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,391.68 : 15,588.96 = 3,466.72 : x
  2. Step 2: Convert to fraction form
    10,391.68/15,588.96 = 3,466.72/x
  3. Step 3: Cross multiply
    10,391.68x = 15,588.96 × 3,466.72
  4. Step 4: Simplify right side
    10,391.68x = 54,042,559.41
  5. Step 5: Solve for x
    x = 54,042,559.41/10,391.68
  6. Step 6: Final answer
    x = 5,200.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.